🏷️ Basic Information Identification Make: Bomag Model: BW 177 D-4 Year: Not specified (likely covers multiple model years) Generation: D-4 Series 📋 Manual Details Description Manual Type: Service Repair Workshop Manual Manual Source: Original Factory Language: English (Assumed based on typical availability) Format: PDF Download Content Features: Easy-to-read text, high-quality diagrams, detailed instructions ⚙️ Engine Specifications Engine Details Engine Type: Diesel Engine Manufacturer: Not specified (likely Deutz or equivalent for the era) Displacement: Not specified (typically 2.0L - 3.0L for this class of roller) Power Output: Not specified (typically 50-70 HP) 🔧 Transmission Drive System Type: Hydrostatic Drive Modes: Forward and Reverse 📐 Dimensions Physical Dimensions Operating Weight: Approx. 7.5 - 8.5 tons (typical for this model class) Drum Width: Approx. 1.7 meters (5.6 ft) Drum Diameter: Not specified Overall Length: Not specified Overall Width: Not specified Overall Height: Not specified 🔧 Maintenance Lubrication Engine Oil Capacity: Refer to manual for specific engine model Servicing Service Interval Engine: Refer to manual (typically 250-500 hours) Service Interval Hydraulic: Refer to manual Greasing Points: Refer to manual for locations and frequency 📄 Performance Compaction Centrifugal Force: Not specified (variable settings expected) Vibration Frequencies: Not specified (dual frequency capabilities likely) Static Linear Load: Not specified (crucial for compaction performance) 📄 Features Operator Comfort Cabin Option: Available (ROPS and FOPS compliant) Controls: Ergonomic joystick control Compaction Technology Vibration System: Single or Dual Amplitude Articulation: Articulated steering